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gamnit: use premultiplied alpha
[nit.git]
/
lib
/
gamnit
/
depth
/
particles.nit
diff --git
a/lib/gamnit/depth/particles.nit
b/lib/gamnit/depth/particles.nit
index
3c40ac1
..
bfe3392
100644
(file)
--- a/
lib/gamnit/depth/particles.nit
+++ b/
lib/gamnit/depth/particles.nit
@@
-258,7
+258,6
@@
class ParticleProgram
{
if (use_texture) {
gl_FragColor = texture2D(texture0, gl_PointCoord) * v_color;
{
if (use_texture) {
gl_FragColor = texture2D(texture0, gl_PointCoord) * v_color;
- if (gl_FragColor.a <= 0.01) discard;
} else {
gl_FragColor = v_color;
}
} else {
gl_FragColor = v_color;
}
@@
-301,7
+300,7
@@
class ExplosionProgram
gl_Position = center * mvp;
gl_PointSize = scale / gl_Position.z * pt;
gl_Position = center * mvp;
gl_PointSize = scale / gl_Position.z * pt;
- if (pt > 0.8) v_color.a = (1.0-pt)/0.2;
+ if (pt > 0.8) v_color *= (1.0-pt)/0.2;
"""
end
"""
end
@@
-318,8
+317,8
@@
class SmokeProgram
gl_PointSize = scale / gl_Position.z * (pt+0.1);
if (pt < 0.1)
gl_PointSize = scale / gl_Position.z * (pt+0.1);
if (pt < 0.1)
- v_color.a = pt / 0.1;
+ v_color *= pt / 0.1;
else
else
- v_color.a = 1.0 - pt*0.9;
+ v_color *= 1.0 - pt*0.9;
"""
end
"""
end